Home Additions in the Lower Mainland

Add the Space Your Family Needs

Sometimes moving isn’t the answer. You love your neighbourhood, your kids are settled in school, and you’ve built a life where you are. But your home just doesn’t have enough room anymore. Maybe you need an extra bedroom for a growing family, a home office that’s actually separate from the main living areas, or a primary suite with the ensuite bathroom you’ve always wanted. A custom home addition lets you stay in the place you love while gaining the space you need. Our home addition contractors bring together structural expertise, thoughtful design, and careful attention to making your new space feel like it’s always been part of your home.

Why Work With Our House Addition Contractors

House addition construction is more complex than interior home renovations. You’re dealing with foundations, structural engineering, rooflines, and the challenge of seamlessly integrating new space with your existing home. As experienced home addition contractors, we understand these complexities and have the expertise to navigate them smoothly. We’ll help you explore what’s possible on your property, work through permit requirements, and create an addition that enhances both the functionality and value of your home. Our goal is to make the process as straightforward as possible while delivering results that exceed your expectations.

What's Included in Our Services

Home addition renovation projects require coordination of numerous trades and careful sequencing of work phases. We handle every aspect of your addition, from initial design concepts through the finishing touches that make your new space feel complete. Our focus is on creating additions that function beautifully while blending seamlessly with your existing home.

Second Story Additions

Build up when you can't build out, adding bedrooms, bathrooms, or living spaces above your existing home while respecting your lot's footprint.

Room Additions

Expand outward to create new bedrooms, home offices, sunrooms, or family rooms that give you the extra space you need.

Primary Suite Additions

Add a luxurious retreat with a spacious bedroom, walk-in closet, and spa-like ensuite bathroom away from the main household activity.

In-Law Suite Construction

Create self-contained living spaces with private entrances, kitchenettes, and bathrooms perfect for aging parents or adult children.

Garage Additions and Expansions

Build new garages or expand existing ones to accommodate more vehicles, workshop space, or storage needs.

Sunroom and Four-Season Room Additions

Bring the outdoors in with bright, comfortable spaces that let you enjoy natural light year-round.

Foundation and Structural Work

Pour new foundations, tie into existing structures, and ensure everything is properly engineered and supported.

Roofing Integration

Extend or modify rooflines to make your addition look like original construction rather than an afterthought.

Exterior Finishing and Siding

Match existing materials and colours so your addition blends seamlessly with your home's exterior.

Interior Finishing

Complete your addition with flooring, trim work, paint, lighting, and all the details that make it feel like home.

Frequently Asked Questions

Costs depend on the size of the addition, what you’re including, and how complex the project is. Single-story additions generally cost less per square foot than second-story additions. Adding bathrooms or kitchens increases costs due to plumbing requirements. We’ll provide a detailed estimate based on your specific plans and help you understand where your investment is going.

Yes, home additions require building permits and often need engineered drawings. You may also need to comply with zoning regulations, setback requirements, and lot coverage limits. We handle the permit process and work with engineers as needed to ensure everything is approved and built to code.

Most home additions take between three to six months from permit approval to completion. The timeline depends on the size and complexity of your addition, weather conditions, and permit processing times. We’ll give you a realistic schedule upfront and keep you updated throughout the project.

Many families stay in their homes during the construction process, though there will be some disruption. Once we’re working on interior connections, you may temporarily lose access to certain rooms. We do our best to minimize disruption and maintain your privacy and comfort throughout the project.

We carefully study your home’s architecture, siding, roofline, and trim details to ensure the addition looks like original construction. This includes matching materials where possible and designing rooflines and windows that complement your existing structure. Our goal is seamless integration.

We’ll research your property’s zoning regulations and work with you to design an addition that complies with all requirements. Sometimes creative design solutions let us maximize space while staying within the rules. If variances are needed, we’ll guide you through that process.

Not every home can support a second story addition without significant reinforcement. We’ll assess your existing structure and foundation to determine what’s feasible. In some cases, adding out makes more sense than adding up, and we’ll help you explore all your options.

Transparent
Communication

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20 Years of
Industry Experience

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Highest Quality
Craftsmanship

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On Time and
On Budget

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Deana
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"Bill was a fantastic contractor! We renovated our main floor and Bill was great to work with, he basically became like part of our family. We are thrilled with the work Bill did and wouldn't hesitate to recommend Bill for your next renovation."
Frances
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"The quality of his craftsmanship is on another level and I would not hesitate to recommend him to any of my friends or family!"
Jean
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"Bill and his team are honest, reliable and produce amazing work. They are all a professional team."
Nancy
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"Bill and his team are very professional. They are very upfront and communicated the timeline and progress daily. Exceptional work and very happy with the bathroom. Would highly recommend."
Linda
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"I would hire Bill again to do a project of any size, from a quick redo of a rental powder room to an entire house build. Very skilled, very knowledgeable and very, very professional."
Jen
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"I would definitely use Petra Contracting again for any future projects and I have already referred his name on to multiple family members and friends."
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